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Bridgetek Pte Ltd.
Micro SD/T-Flash Memory Card
iButton™ Serial Number
Omron Automation and Safety
Flash Memory
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iButton™ Serial Number

MIKROE-3047 - iButton™ Serial Number


DS1990A is a unique serial number identification iButton™. The iButton is a technology based on the one-wire communication protocol, and a chip packed in a robust stainless-steel casing. This button shaped device has two contacts - the lid and the base. These contacts carry the necessary connections down to a sensitive silicone chip, embedded inside the metal button.

  • Applications:Password Protected Data
  • Memory Size:8B
  • Memory Type:ROM
  • Operating Temperature:-40°C ~ 85°C